Finding the Fourth Proportional to 213,197.41, 319,791.68 and 71,052.98
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Solution
The fourth proportional to 213,197.41, 319,791.68 and 71,052.98 is: 106,577.99
Step by Step Solution
- Step 1: Write the proportion equation
213,197.41 : 319,791.68 = 71,052.98 : x - Step 2: Convert to fraction form
213,197.41/319,791.68 = 71,052.98/x - Step 3: Cross multiply
213,197.41x = 319,791.68 × 71,052.98 - Step 4: Simplify right side
213,197.41x = 22,722,151,487.94 - Step 5: Solve for x
x = 22,722,151,487.94/213,197.41 - Step 6: Final answer
x = 106,577.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.